POLYOLEFINIC LAMINATED SOFT SHEET

PROBLEM TO BE SOLVED: To provide a polyolefinic soft sheet excellent in surface hardness, glossiness, transparency and flexibility. SOLUTION: A laminated sheet having an inner layer and the surface layers on both surface sides thereof is formed. In this case, polyolefin with durometer hardness of 60...

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Bibliographic Details
Main Authors FUJIMURA KAZUMASA, INAGAKI HITOSHI, EGASHIRA AKIHIKO
Format Patent
LanguageEnglish
Published 11.01.2000
Edition7
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a polyolefinic soft sheet excellent in surface hardness, glossiness, transparency and flexibility. SOLUTION: A laminated sheet having an inner layer and the surface layers on both surface sides thereof is formed. In this case, polyolefin with durometer hardness of 60 or more, pref, a propylene polymer with a density of 0.905-0.880 g/cm3 and an MFR of 1-50 g/10 min is used in the surface layers and an ethylene/α-olefin random copolymer with an ethylene unit content of 98-50 wt.%, a density of 0.910-0.860 g/cm3 and an MFR of 1-50 g/10 min pref. polymerized by a metallocene catalyst is used in the inner layer and a laminated soft sheet with tensile modulus of 200 MPa or less and haze of 10% or less can be obtained.
Bibliography:Application Number: JP19980176790